Properties of Linear Low Density Polyethylene
Shixaliyev Kerem Seyfi1, Amirov Fariz Ali2
1Shixaliyev Kerem Seyfi, Azerbaijan State Oil and Industry University Baku, AZ1010, Azerbaijan, Azadlig Avenue.
2Amirov Fariz Ali, Azerbaijan State Oil and Industry University Baku, AZ1010, Azerbaijan, Azadlig Avenue.
Manuscript received on June 16, 2020. | Revised Manuscript received on June 25, 2020. | Manuscript published on July 10, 2020. | PP: 348-352 | Volume-9 Issue-9, July 2020 | Retrieval Number: 100.1/ijitee.G5721059720 | DOI: 10.35940/ijitee.G5721.079920
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: As result of the modification of polyolefin, composite materials based on them were obtained for the use in special equipment in order to entrain their heat resistance. Data analysis DTA (differential thermal analysis) of the DTA curve of this polyethylene sample suggests a bimodal nature of their MWD (molecular weight distribution) which differs from polyethylene with unimodal MWD and a series of endo oxidation effects with a maximum temperature of 245, 335, 358 and 435 °С. X-ray structural studies showed that the crystal system and the size of the unit cells of the crystal lattice of LLDPE practically does not differ from those of LDPE. LLDPE as well as LDPE and HDPE has a layered structure with dense packing of macromolecules. In terms of crystallinity and crystallite sizes, LLDPE are on par with HDPE and significantly differ from LDPE. These data are in agreement with published data. The parameters of the unit cells of the crystal structure of UHMWPE are close to those of LLDPE, and by crystallinity it occupies middle ground between HDPE and LLDPE.
Keywords: linear low density polyethylene (LLDPE), LLDPE-1 – ethylene-hexene-1 copolymer, LLDPE-2 — ethylene-octene-1 copolymer, LLDPE-3 — ethylene-decene-1 copolymer, supramolecular polyethylene (SMPE), EHC — copolymer of ethylene with hexane, EOC — copolymer of ethylene with octane, NMR — nuclear magnetic resonance, TG — thermogravimetric, MWD — molecular weight distribution, Vinylidene groups, composition, aging.
Scope of the Article: Service Discovery and Composition